添加Pdf读取mcp

pdf-reader-mcp/src/index.ts

@@ -0,0 +1,78 @@
+#!/usr/bin/env node
+
+import { Server } from '@modelcontextprotocol/sdk/server/index.js';
+import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';
+import type { z } from 'zod'; // Import Zod
+import { zodToJsonSchema } from 'zod-to-json-schema';
+import {
+  CallToolRequestSchema,
+  ListToolsRequestSchema,
+  McpError,
+  ErrorCode,
+} from '@modelcontextprotocol/sdk/types.js';
+// Import the aggregated tool definitions
+import { allToolDefinitions } from './handlers/index.js';
+// Removed incorrect import left over from partial diff
+
+// --- Tool Names (Constants) ---
+// Removed tool name constants, names are now in the definitions
+
+// --- Server Setup ---
+
+const server = new Server(
+  {
+    name: 'filesystem-mcp',
+    version: '0.4.0', // Increment version for definition refactor
+    description: 'MCP Server for filesystem operations relative to the project root.',
+  },
+  {
+    capabilities: { tools: {} },
+  }
+);
+
+// Helper function to convert Zod schema to JSON schema for MCP
+// Use 'unknown' instead of 'any' for better type safety, although casting is still needed for the SDK
+const generateInputSchema = (schema: z.ZodType<unknown>): object => {
+  // Need to cast as 'unknown' then 'object' because zodToJsonSchema might return slightly incompatible types for MCP SDK
+  return zodToJsonSchema(schema, { target: 'openApi3' }) as unknown as object;
+};
+
+server.setRequestHandler(ListToolsRequestSchema, () => {
+  // Removed unnecessary async
+  // Removed log
+  // Map the aggregated definitions to the format expected by the SDK
+  const availableTools = allToolDefinitions.map((def) => ({
+    name: def.name,
+    description: def.description,
+    inputSchema: generateInputSchema(def.schema), // Generate JSON schema from Zod schema
+  }));
+  return { tools: availableTools };
+});
+
+server.setRequestHandler(CallToolRequestSchema, async (request) => {
+  // Use imported handlers
+  // Find the tool definition by name and call its handler
+  const toolDefinition = allToolDefinitions.find((def) => def.name === request.params.name);
+
+  if (!toolDefinition) {
+    throw new McpError(ErrorCode.MethodNotFound, `Unknown tool: ${request.params.name}`);
+  }
+
+  // Call the handler associated with the found definition
+  // The handler itself will perform Zod validation on the arguments
+  return toolDefinition.handler(request.params.arguments);
+});
+
+// --- Server Start ---
+
+async function main(): Promise<void> {
+  const transport = new StdioServerTransport();
+  await server.connect(transport);
+  console.error('[Filesystem MCP] Server running on stdio');
+}
+
+main().catch((error: unknown) => {
+  // Specify 'unknown' type for catch variable
+  console.error('[Filesystem MCP] Server error:', error);
+  process.exit(1);
+});